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प्रश्न
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
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उत्तर
Carbon dioxide
संबंधित प्रश्न
Choose the correct option.
Which is the most resistant alcohol towards oxidation reaction among the following?
Answer in brief.
Give the equations of the reactions for the preparation of phenol from isopropyl benezene.
Write IUPAC name of crotonyl alcohol.
Write the reaction to get aspirin from salicylic acid.
Draw intramolecular hydrogen bonding structure in o-nitrophenol.
Write chemical equation of acetyl chloride with phenol
What is the action of following on phenol at low temperature?
- dil. HNO3
- conc. H2SO4
- Br2/CS2
Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.
In the Lucas test for alcohols, the appearance of turbidity is due to the formation of ____________.
____________ is used for silvering mirrors.
Which of the following reagents are required in the conversion of phenol to salicylic acid?
Isobutylene on hydroboration followed by oxidation with hydrogen peroxide in presence of base yields ______.
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
The product 'C' in the following reaction is:
\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
\[\ce{Isopropyl alcohol + acidic K2Cr2O7 -> X}\]
Identify product 'X' in the above reactions.
Which isomer of C4H10O is optically active?
Which following reagent is used to obtain alkene from alcohol?
Identify the compound having highest boiling point from the following?
Name the catalyst used in commercial method of preparation of phenol.
What is the product obtained in Reimer - Tiemann reaction?
The chemical test that distinguish between benzoic acid and phenol is ______.
The order of reactivity of hydrogen halides with ether is as follows.
What is the action of nitrous acid on aniline?
Arrange the following compounds in an increasing order of their solubility in water:
Write the chemical reaction when hot copper is treated with Vapours of 2° (secondary) alcohol.
The structure of A in the given reaction is:
What is the name of isopropyl alcohol according to the carbinol system?
Which of the following is primary benzylic alcohol?
